A biology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. Which is the least supportive example?

Pesticide resistance, peppered moth color changes, and antibiotic resistance are well-known examples of environmental pressures favoring certain genetic variations in a population. “Changes in genetics in human populations” is too general and does not identify an environmental change or a specific genetic response, so it is the least supportive example.

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